Geometry riddles-->answer using math terms (such as rectangle, polygon, etc)?

For Example: An ill insect.
the answer would be "secant" (sick.ant.)
10 points to whoever gets the most

1. A highway divider
2. A figure that isn't cool
3. How to track a woman
4. A person who places stress
5. How the poet wrote his love
6. A gauge that won't take nickels
7. A dog kept in a freezer
8. A hotel bookkeeper
9. Two cisterns
10. A program of light beams
11. What the prisoner did to while away his time by raising insects
12. A rather attractive bit of confusion
13. How the French Revolutionists would get rid of the enemy
14. A place where sales a re made
15. What the prisoner magician did on his wife's birthday.
16. A sultan's act
17. Possible result of height
18. What the student did when asked a momentous qusetion
19. What the student said after seeing a bunch of laughing ppl
20. A window finisher
21. How the southern farmer greeted his friend, Cyrus

some geometry terms (may not be the answer):
-area
-acute angle
-altitude
-angle
-arc

1.median
2.square
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.altitude...i think

i think the 2nd ones square

idk

I stoped reading after 3

;-)

1 median
2 square